Delete files from SEAGATE EXTERNAL 320GB

[ggr129]

How do I safely delete all files from my Seagate Free Agent 320 GB external drive;
OR perform a backup as if it were installed 'as new'?

 

[noidea_77]

I use wipedisk. It runs without installation and is free. http://www.gaijin.at/en/dlwipedisk.php

 

[ggr129]

Best answer selected by ggr129.